Daikin RXQ18P7W1BA Specifications download pdf (Page 38)

Reluctance Brushless DC Compressor

9 The reluctance brushless DC motor provides significant increases

in efficiency compared to conventional AC inverter motors,

simultaneously using 2 different forms of torque (normal and

reluctance torque) to produce extra power from small electric

currents.

9 High thrust mechanism

By introducing high pressure oil, the reactive force from the fixed

scroll is added to the internal force, thereby reducing thrust losses.

This results in improved efficiency and suppressed sound level

9 The motor comprises powerful neodymium

magnets, that create the reluctance torque.

These magnets are approximately 12 times stronger than ferrite

magnets and make a major contribution to its energy saving

characteristics.

i-Demand Function

The newly introduced current sensor minimizes the difference between

the actual power consumption and the predefined power consumption.

Sine Wave DC Inverter

Optimizing the sine wave curve, results in smoother motor rotation and improved

motor efficiency.

2. VRV-WII

“Normal” torque

Reluctance torque

Rotating

Stator

Field

Iron

Neodymium

Magnet

Low pressure

side

High pressure

side

Suction

Scroll

Discharge

Reluctance

DC Motor

Neodymium magnet

Ferrite

magnet

8:00 12:00 16:00 20:00

Time

Power

consumption

(KVV)

p. 38

VRV-WII Technology

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Daikin RXQ18P7W1BA Specifications Page 38

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